Glue product



April 29, 1930. s. PALME 7 1,756,382

GLUE PRODUCT Filed Jan. 16, 1928 I21 V617 to: Gus [a V .PaJme &

1 mm; AW].

Patented Apr. 29, 1930 l 1,756,382

UNITED STATES PATENT OFFICE GUSTAV PALME, ,OF STREHLA-ON-THE-ELBE, GERMANY GLUE rnonuc'r Application filed January 16, 1928. Serial No. 247,047.

My invention refers to glue and gelatine The present invention refers to a form of and its particular object is to provide a new glue, which has all the outward characterisand improved product of the kind aforesaid tics of the large plates orslabs, including the having properties which render it particutypical formation of edges, while ofiering to 6 larly convenient for practical use. the solvent a far greater surface per unit of The glue products hitherto on the market weight so that it will swell and dissolve differ widely in character. The oldest and rapidly. The product according to the presbest known product has the form of plates ent invention has the form of small-edged or slabs and it is a well known fact that in polygonal bodies which may either form 10 this form the glue will dissolve in hot Water cubes or polyeders or star-shaped bodies or only after anumber of hours or even days. the like, their sizes ranging for instance be- Obviously this involves a considerable loss' tween the size of a finger nail and of a milletof time to the consumer, and if great quangrain. 1 tities of glue are required for immediate use, In the drawings affixed to this specification 15 disturbances in operation may arise in view and forming part thereof a few characterisof the difliculty of preparing fresh glue ready tic forms of bodies embodying my invention for use. are illustrated by way of example. In view of these drawbacks it has already 1 shows a quadrangular, been suggested to provide glue in comminut- Flg. 2 a hexagonal slab,

20 ed form in order to reduce the time of disso Fig. 3 a star-shaped body, all of them belution. Thus for instance glue powder has ing shown substantially of the largest size been produced by breaking and milling the contemplated by this invention, WhlCll howlarge plates or slabs. It has further been ever also includes similar bodies measuring proposed to atomize solutions of glue, the only one tenth or one twentieth.

25 particles of liquid being then dried to form Small bodies of this shape can be proan exceedingly fine powder. Another method duced for instance by forming a jelly from consists in reducing glue solutions to spheriglue swollen in water and introducing this cal or drop-shaped bodies. All these smalljelly into a centrifugal apparatus, the rotary sizedproducts are capable of taking up water wall of which is perforated by rectangular,

3 quickly and therefore require less time for polygonal, staror otherwise shaped holes. swelling and dissolving than the larger slabs By the action of the centrifugal. force the or plates hitherto used. However, these jelly is forced through these holes and will products lack certain outward characterisprojec therefrom in the form of strips havtics to be found in these slabs or plates, which ing substantially the cross section determined 35 have always been instrumental in ascertainy the form of the heles- By means ing the quality and more especially the purity tionary cutters contacting with-the outer surof the glue. The consumers, such as carface of the rotary centrifugal drum these penters and the like, are known to ly, a t strlps can be subdivided into thin cuttings from the colour, brightn ss and trans ar. which are then drled in the usual manner.

' ency, also on the for f th edges of I wish it, however, to be understood that plate of glue a affording th ibilit of bodles such as claimed in the appended claim judging the quality of the product. Powcan also be produced in various other ways dered glue lacks all these characteristics and n I d ot Wish o be limi ed to the paris further liable to 'being adulterated withticular mode of producing same as above de- 45 out it being possible to ascertain such adulscrihed- 5 terations outside of the chemical laboratory. The term glue as used in the appended The small spherical bodies of glue which are claim is intended to include also gelatine. to be found on the market, while being bright I claim:

. and transparent, do not show the characteris- A glue product having the form of a po- 50 tic edges. lygonal shaped body, the area of which does not substantially exceed the size of a finger nail, having a plurality of edgewise PI'O]8C- tions that arereduced m width toward their free ends to provide a. series of edges which will aid :1. user in determining the quality of the product.

In testimony whereof I aflix m signature.

' GUSTAV ALBIE. 

